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Posts From Wendell

A: Config Process

A: Config Process

🕔09:05, 25.Oct 2018

For #CCNA prep, we get used to a two-step process: change the configuration and use the copy run start command to save the configuration. However, what happens when you interleave some less-used commands around the same time?

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Q: Config Process

Q: Config Process

🕔09:05, 23.Oct 2018

Configuration file management can be simple – but have you mastered all the command? This next question attempts to make you stretch a bit even for what at first may seem like a straightforward topic.

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A: TCP Transport Ports

A: TCP Transport Ports

🕔09:05, 11.Oct 2018

You might have missed this latest #CCNA question because configuring routers and switches does not reinforce the concepts required to answer this question. If you do want to do some labbing to learn more, download Wireshark (or some other network

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Q: TCP Transport Ports

Q: TCP Transport Ports

🕔09:05, 9.Oct 2018

Most CCNA candidates focus on the topics that require deeper learning, topics that you need to configure, verify, and troubleshoot on routers and switches. At the same time, Cisco includes a small set of topics for which you need only

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A: TCP/IP Model Lingo

A: TCP/IP Model Lingo

🕔09:05, 4.Oct 2018

TCP/IP Model? Check. TCP/IP Models? Yes, two of them, but it’s no big deal. Just take the extra minute to remember the details. The latest practice question asks a question that requires you to recall the differences, with the answers

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Q: TCP/IP Model Lingo

Q: TCP/IP Model Lingo

🕔09:05, 2.Oct 2018

Most CCNA candidates do not get all that excited about reviewing the TCP/IP or OSI models, but it never hurts to review the concepts and terms while practicing for the exam. Today I’ll ask a question that makes you think

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A: WAN Basics

A: WAN Basics

🕔09:05, 27.Sep 2018

What happens over an Ethernet WAN link? What Data Link addresses appear in the frame that the routers forward over the WAN? What data link headers exist on the WAN link? What types of cabling must be used? The latest

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Q: WAN Basics

Q: WAN Basics

🕔09:05, 25.Sep 2018

WAN connections span much longer distances than WANs – so what happens in that WAN? Even for CCENT and CCNA, you can understand some of the basic facts about how a WAN service provider builds a WAN connection. This next

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A: LAN Broadcasts

A: LAN Broadcasts

🕔09:05, 20.Sep 2018

The term LAN broadcast may have a specific meaning to you, with the contents of the Ethernet header leaping from your memory. But maybe not. What about the source address? Type field?  Check out the question first, and then come

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Q: LAN Broadcasts

Q: LAN Broadcasts

🕔09:05, 18.Sep 2018

To answer some #CCNA questions, you need to think like a network analyzer (e.g., Wireshark). What values sit in the headers of an Ethernet frame or IP packet? In this next sample question, you’ll get a chance to think about

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